Rolf Koenders
Lead Engineer at bol
Huizen, North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolRolf Koenders is a Lead Engineer with 12 years of hands-on experience building backend systems and mobile experiences, currently leading engineering at bol in the Netherlands. He combines strong backend and DevOps skills with practical mobile development—contributing to popular open-source projects like git-point (iOS UI/features) and spaceship-prompt (advanced zsh/AWS profile integrations). Rolf progressed from internships to Head of Backend and senior engineering roles, showing a steady trajectory in delivery and technical leadership. He’s comfortable refactoring core tooling, improving developer ergonomics, and shipping user-facing features, and often bridges the gap between infra concerns and polished client apps. His background in Informatica from Hogeschool van Amsterdam complements a pragmatic, full-stack mindset focused on maintainability and developer productivity.
12 years of coding experience
12 years of employment as a software developer
Bachelor of Informatica, Bachelor of Informatica at Hogeschool van AmsterdamGrafisch Lyceum UtrechtCollege De Brink
Dutch, English
Stackoverflow
439reputation
50kreached
20answers
3questions
Github Skills (27)
ios10
react-native10
scripting10
script10
sh10
zsh10
git9
github9
android9
aws-cli9
shell9
localization8
internationalization8
ui-design8
oh-my-zsh8
Programming languages (15)
Github contributions (5)
gitpoint/git-point
Jul 2017 - Oct 2018
GitHub in your pocket :iphone:
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:6 PRs, 6 pushes, 6 branches in 1 year 2 months
Contributions summary:Rolf primarily contributed to the mobile application's user interface and functionality. The commits showcase the implementation of features such as user logout, sharing repository functionality, and adding a Dutch translation to the application. The user also made several updates related to event rendering and UI components.
github-clientpocketgitpointiphonereact-native
spaceship-prompt/spaceship-prompt
Jul 2017 - Oct 2018
🚀✨ Minimalistic, powerful and extremely customizable Zsh prompt
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:14 commits, 3 PRs, 25 comments in 1 year 3 months
Contributions summary:Rolf focused on enhancing the `spaceship-prompt` project, adding and modifying AWS CLI profile display functionality. They implemented conditional display of AWS profiles, and integrated directory modifications. The user also refactored prompt logic using zsh modifiers and improved git integration within the prompt.
zsh-promptzsh-plugincustomizableshell-promptshell-theme
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